High Quality Black Phosphate Fine Thread Gypsum Drywall Screws for Metal and Wood

High Quality Black Phosphate Fine Thread Gypsum Drywall Screws for Metal and Wood. Versatile Material Options: Available in Black, Zinc, Plain, Zinc Plated, Nickel Plated, and Ga finishes. Multiple Thread Types: Offer Fine, Coarse, and Buttress thread options to suit various applications. Custom Measurement Systems: Supports both Inch and Metric measurement systems for global compatibility. OEM/ODM Branding: Full customization available for brand names and specific model numbers. Professional Engineering Support: Expert engineers provide assistance and can create necessary drawings. Free Sample Availability: Free samples provided for standard fasteners (client pays express charges). Direct Factory Sales: No middlemen; direct sales from manufacturer with 6 factories and 5 branches. 100% Quality Inspection: All finished products undergo visual inspection by packing staff before shipment.